Patent AT46203B successfully refreshed from Google Patents.
Patent US28503A successfully refreshed from Google Patents.
US2592011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray guard for outboard motor boats
Assignee: Individual
•
Filing: 1949-04-19
•
Granted: 1952-04-08
•
Expires: 1969-04-19
Abstract
No abstract record available.
Inventors
- 👤 Colston William David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:51
CPC Classifications
B; B63; B63B; B63B17/00; B63B59/00; B63B59/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US141609A
Cited
US411255A
Cited
US461759A
Cited
US804155A
Cited
US1100739A
Cited
US1332930A
Cited
US1465033A
Cited
US1587710A
Cited
US1782868A
Cited
GB374088A
Cited
US1843874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |